Domains with DNS TXT v=spf1 a mx include:spf.mail.srw.cz include:_spf.jerrik.mmsc.cz include:spf.smartemailing.cz -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.mail.srw.cz include:_spf.jerrik.mmsc.cz include:spf.smartemailing.cz -all.